[wp-trac] [WordPress Trac] #38650: Provide some guidance on what conditionals can/should be used in default-filters.php

[WordPress Trac]

#38650: Provide some guidance on what conditionals can/should be used in default-
filters.php
----------------------------+---------------------
 Reporter:  helen           |       Owner:  jorbin
     Type:  enhancement     |      Status:  closed
 Priority:  low             |   Milestone:  6.7
Component:  Bootstrap/Load  |     Version:
 Severity:  minor           |  Resolution:  fixed
 Keywords:  has-patch       |     Focuses:  docs
----------------------------+---------------------

Comment (by ecomzone):

 In default-filters.php, you should primarily use conditionals that do not
 rely on database calls or context-specific functions. Safe options include
 functions and conditionals that are loaded early, typically found in wp-
 includes/load.php. Avoid using functions like get_option() or
 is_customize_preview() because they rely on WordPress being fully
 initialized (which happens later in the boot process).
 {{{#!php
 <?php
  This file is used to add default filters.
  Safe to use functions that are loaded early, typically from wp-
 includes/load.php.
  Avoid using functions that depend on database access (like get_option())
 or
  contextual functions (like is_customize_preview()).

 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/38650#comment:5>
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